package com.ruoyi.auth.service;

import com.ruoyi.common.core.utils.SendMessUtil;
import com.ruoyi.system.api.RemoteAppUserService;
import com.ruoyi.system.api.domain.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.ruoyi.common.core.constant.CacheConstants;
import com.ruoyi.common.core.constant.Constants;
import com.ruoyi.common.core.constant.SecurityConstants;
import com.ruoyi.common.core.constant.UserConstants;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.enums.UserStatus;
import com.ruoyi.common.core.exception.ServiceException;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.core.utils.DateUtils;
import com.ruoyi.common.core.utils.StringUtils;
import com.ruoyi.common.core.utils.ip.IpUtils;
import com.ruoyi.common.redis.service.RedisService;
import com.ruoyi.common.security.utils.SecurityUtils;
import com.ruoyi.system.api.RemoteUserService;
import com.ruoyi.system.api.domain.SysUser;
import com.ruoyi.system.api.model.LoginUser;

import javax.annotation.Resource;
import java.util.Random;
import java.util.concurrent.TimeUnit;

/**
 * 登录校验方法
 *
 * @author ruoyi
 */
@Component
public class SysLoginService {
    @Autowired
    private RemoteUserService remoteUserService;

    @Autowired
    private RemoteAppUserService remoteAppUserService;

    @Autowired
    private SysPasswordService passwordService;

    @Autowired
    private SysRecordLogService recordLogService;

    @Autowired
    private RedisService redisService;

    private static final String SYS_LOGIN_CODE = "CODE:";

    /**
     * 登录
     */
    public LoginUser login(String username, String password) {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(username, password)) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户/密码必须填写");
            throw new ServiceException("用户/密码必须填写");
        }
        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户密码不在指定范围");
            throw new ServiceException("用户密码不在指定范围");
        }
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户名不在指定范围");
            throw new ServiceException("用户名不在指定范围");
        }
        // IP黑名单校验
        String blackStr = Convert.toStr(redisService.getCacheObject(CacheConstants.SYS_LOGIN_BLACKIPLIST));
        if (IpUtils.isMatchedIp(blackStr, IpUtils.getIpAddr())) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "很遗憾，访问IP已被列入系统黑名单");
            throw new ServiceException("很遗憾，访问IP已被列入系统黑名单");
        }
        // 查询用户信息
        R<LoginUser> userResult = remoteUserService.getUserInfo(username, SecurityConstants.INNER);

        if (R.FAIL == userResult.getCode()) {
            throw new ServiceException(userResult.getMsg());
        }

        LoginUser userInfo = userResult.getData();
        System.out.println(userInfo);
        SysUser user = userResult.getData().getSysUser();
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的账号：" + username + " 已被删除");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            recordLogService.recordLogininfor(username, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的账号：" + username + " 已停用");
        }
        passwordService.validate(user, password);
        recordLogService.recordLogininfor(username, Constants.LOGIN_SUCCESS, "登录成功");
        recordLoginInfo(user.getUserId());
        return userInfo;
    }

    //商家
    public LoginUser shopLogin(String phone, String code) {
        // 手机号/验证码为空 错误
        if (StringUtils.isAnyBlank(phone, code)) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "手机号/验证码必须填写");
            throw new ServiceException("手机号/验证码必须填写");
        }
        // 密码如果不在指定范围内 错误
       /* if (phone.length() < UserConstants.PASSWORD_MIN_LENGTH
                || phone.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "用户密码不在指定范围");
            throw new ServiceException("用户密码不在指定范围");
        }*/
        // 用户名不在指定范围内 错误
      /*  if (phone.length() < UserConstants.USERNAME_MIN_LENGTH
                || phone.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "用户名不在指定范围");
            throw new ServiceException("用户名不在指定范围");
        }*/
        // IP黑名单校验
        String blackStr = Convert.toStr(redisService.getCacheObject(CacheConstants.SYS_LOGIN_BLACKIPLIST));
        if (IpUtils.isMatchedIp(blackStr, IpUtils.getIpAddr())) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "很遗憾，访问IP已被列入系统黑名单");
            throw new ServiceException("很遗憾，访问IP已被列入系统黑名单");
        }
        // 查询用户信息
        R<LoginUser> userResult = remoteUserService.getUserInfo(phone, SecurityConstants.INNER);

        if (R.FAIL == userResult.getCode()) {
            throw new ServiceException(userResult.getMsg());
        }

        LoginUser userInfo = userResult.getData();
        System.out.println(userInfo);
        SysUser user = userResult.getData().getSysUser();
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "对不起，您的账号已被删除");
            throw new ServiceException("对不起，您的账号：" + phone + " 已被删除");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            recordLogService.recordLogininfor(phone, Constants.LOGIN_FAIL, "用户已停用，请联系管理员");
            throw new ServiceException("对不起，您的账号：" + phone + " 已停用");
        }
        passwordService.validate(user, code);
        recordLogService.recordLogininfor(phone, Constants.LOGIN_SUCCESS, "登录成功");
        recordLoginInfo(user.getUserId());
        return userInfo;
    }

    public LoginUser appLogin(String phone, String code) {
        System.out.println(phone+" "+code);
        if (StringUtils.isAnyBlank(phone)) {
            throw new ServiceException("手机号不能为空");
        }
        // 查询用户信息
        R<LoginUser> userResult = remoteAppUserService.info(phone, SecurityConstants.INNER);
        LoginUser userInfo = userResult.getData();
        System.out.println(userInfo);
        User user = userResult.getData().getUser();

        String cacheCode = (String) redisService.getCacheObject(SYS_LOGIN_CODE + phone);
        if (cacheCode == null) {
            throw new ServiceException("验证码已过期或未填写");
        }
        if (!cacheCode.equals(code)) {
            throw new ServiceException("验证码错误");
        }
        recordLogService.recordLogininfor(phone, Constants.LOGIN_SUCCESS, "登录成功");
        recordLoginInfo(user.getId().longValue());
        return userInfo;
    }

    public String getCode(String phone) {
        String codeCache = (String) redisService.getCacheObject(SYS_LOGIN_CODE + phone);
        System.out.println();
        if (codeCache != null) {
            throw new ServiceException("请勿重复发送");
        }
        // 生成四位数验证码
        Random rand = new Random();
        int code = rand.nextInt(9000) + 1000;

        // TODO 后期更改为真正的短信验证 SendMessUtil.sendMess(user.getPhone(), code);
//        try {
//            SendMessUtil.sendMess(phone, String.valueOf(code));
//        } catch (Exception e) {
//            throw new RuntimeException(e);
//        }
        redisService.setCacheObject(SYS_LOGIN_CODE + phone, String.valueOf(code), 60L, TimeUnit.SECONDS);
        System.out.println(code);
        return String.valueOf(code);
    }

    /**
     * 记录登录信息
     *
     * @param userId 用户ID
     */
    public void recordLoginInfo(Long userId) {
        SysUser sysUser = new SysUser();
        sysUser.setUserId(userId);
        // 更新用户登录IP
        sysUser.setLoginIp(IpUtils.getIpAddr());
        // 更新用户登录时间
        sysUser.setLoginDate(DateUtils.getNowDate());
        remoteUserService.recordUserLogin(sysUser, SecurityConstants.INNER);
    }

    public void logout(String loginName) {
        recordLogService.recordLogininfor(loginName, Constants.LOGOUT, "退出成功");
    }

    /**
     * 注册
     */
    public void register(String username, String password) {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(username, password)) {
            throw new ServiceException("用户/密码必须填写");
        }
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
            throw new ServiceException("账户长度必须在2到20个字符之间");
        }
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
            throw new ServiceException("密码长度必须在5到20个字符之间");
        }

        // 注册用户信息
        SysUser sysUser = new SysUser();
        sysUser.setUserName(username);
        sysUser.setNickName(username);
        sysUser.setPassword(SecurityUtils.encryptPassword(password));
        R<?> registerResult = remoteUserService.registerUserInfo(sysUser, SecurityConstants.INNER);

        if (R.FAIL == registerResult.getCode()) {
            throw new ServiceException(registerResult.getMsg());
        }
        recordLogService.recordLogininfor(username, Constants.REGISTER, "注册成功");
    }
}
